| Twentieth Century | 1934 | Colonel Merriweather in Play | Movie |
| George White's Scandals | 1934 | Landlord | Movie |
| In Love with Life | 1934 | Barlow | Movie |
| Rocky Rhodes | 1934 | Doctor | Movie |
| The Man Trailer | 1934 | Sheriff John Ryan | Movie |
| The Westerner | 1934 | Doctor | Movie |
| Whom the Gods Destroy | 1934 | Newfoundlander | Movie |
| Among the Missing | 1934 | District Attorney | Movie |
| Beyond the Law | 1934 | Defense Attorney | Movie |
| Ann Vickers | 1933 | Judge | Movie |
| Employees' Entrance | 1933 | Board of Directors Member | Movie |
| The Man from Monterey | 1933 | U.S. Army Colonel | Movie |
| The Telegraph Trail | 1933 | Army Captain | Movie |
| Broken Dreams | 1933 | Dr. Fleming (as Clarence Geldert) | Movie |
| Jungle Bride | 1933 | Capt. Andersen (as Clarence Geldert) | Movie |
| Notorious But Nice | 1933 | Old Man (as Clarence Geldart) | Movie |
| The Lone Avenger | 1933 | Dr. Crandall | Movie |
| Dance Hall Hostess | 1933 | Sheriff (as Clarence Geldert) | Movie |
| Revenge at Monte Carlo | 1933 | Mendez | Movie |
| Rusty Rides Alone | 1933 | Jim Martin (as Clarence Geldert) | Movie |
| Trick for Trick | 1933 | Doctor | Movie |
| Unknown Valley | 1933 | Army Colonel | Movie |
| The Fighting Code | 1933 | Doctor | Movie |
| Marriage on Approval | 1933 | Deacon Cahill (as Clarence Geldart) | Movie |
| Reckless Decision | 1933 | Detective Cahill | Movie |
| Emma | 1932 | Trial Judge | Movie |
| Rasputin and the Empress | 1932 | Undetermined Secondary Role | Movie |
| Thirteen Women | 1932 | Coroner | Movie |
| Is My Face Red? | 1932 | Ship's Captain | Movie |
| Afraid to Talk | 1932 | Third-Degree Doctor | Movie |
| The Stoker | 1932 | Senor Valdez | Movie |
| White Eagle | 1932 | Doctor | Movie |
| Daddy Long Legs | 1931 | Minister at Commencement | Movie |
| Up for Murder | 1931 | District Attorney | Movie |
| Our Blushing Brides | 1930 | Store Manager | Movie |
| The Bishop Murder Case | 1930 | John F.-X. Markham | Movie |
| The Lottery Bride | 1930 | Navigator | Movie |
| The Thirteenth Chair | 1929 | Commissioner Grimshaw (as Clarence Geldert) | Movie |
| The Unholy Night | 1929 | Inspector Lewis (as Clarence Geldert) | Movie |
| The Overland Telegraph | 1929 | Major Hammond (as Clarence Geldert) | Movie |
| Sioux Blood | 1929 | Miles Ingram (as Clarence Geldert) | Movie |
| Square Shoulders | 1929 | Maj. E.H. Williams - Commandant | Movie |
| The Office Scandal | 1929 | Capt. Day | Movie |
| Dress Parade | 1927 | Commandant (as Clarence Geldert) | Movie |
| One Hour Married | 1927 | | Short Film |
| A One Man Game | 1927 | Jake Robbins (as Clarence Geldert) | Movie |
| The Boy Friend | 1926 | | Movie |
| Young April | 1926 | Krutchki | Movie |
| Hands Across the Border | 1926 | Don Castro (as Clarence Geldert) | Movie |
| Racing Blood | 1926 | Harris Fleming | Movie |
| The Flaming Forest | 1926 | Major Charles McVane (as Clarence Geldert) | Movie |
| The Bandit's Baby | 1925 | Sheriff (as Clarence Geldert) | Movie |
| Oh, Doctor! | 1925 | Dr. Seaver | Movie |
| Leap Year | 1924 | Scott Travis (as Clarence Geldart) | Movie |
| Behind the Curtain | 1924 | District Attorney (as Clarence Geldert) | Movie |
| Love's Whirlpool | 1924 | A Lawyer | Movie |
| North of 36 | 1924 | Col. Griswold | Movie |
| The Fighting Adventurer | 1924 | William A. Pendleton | Movie |
| A Woman of Paris: A Drama of Fate | 1923 | Marie's Step-Father | Movie |
| Adam's Rib | 1923 | James Kilkenna | Movie |
| Richard the Lion-Hearted | 1923 | Conrade, Marquis of Montserrat (as Clarence Geldert) | Movie |
| The Great Moment | 1921 | Bronson | Movie |
| All Souls' Eve | 1921 | Dr. Sandy McAllister | Movie |
| The Hell Diggers | 1921 | Silverby Rennie | Movie |
| The House That Jazz Built | 1921 | Mr. Estabrook | Movie |
| The Lost Romance | 1921 | Police Lieutenant | Movie |
| The Witching Hour | 1921 | Colonel Bailey | Movie |
| Why Change Your Wife? | 1920 | Doctor (as Clarence Geldart) | Movie |
| Always Audacious | 1920 | Theron Ammidown (as Clarence Geldart) | Movie |
| Burglar Proof | 1920 | Richard Crane (as Clarence H. Geldart) | Movie |
| Crooked Streets | 1920 | Silas Griswold (as Clarence H. Geldart) | Movie |
| The Fourteenth Man | 1920 | Major McDowell | Movie |
| Held by the Enemy | 1920 | Maj. Gen. Stanton (as Clarence Geldart) | Movie |
| A Lady in Love | 1920 | George Sedgewick (as C.H. Geldart) | Movie |
| The Prince Chap | 1920 | Helmer (as Clarence Geldart) | Movie |
| The Six Best Cellars | 1920 | Dr. Devine (as C.H. Geldart) | Movie |
| Thou Art the Man | 1920 | George Brummage (as Charles H. Geldert) | Movie |
| The Tree of Knowledge | 1920 | The Baron (as Clarence Geldart) | Movie |
| The Sins of Rosanne | 1920 | Leonard Drummond (as C.H. Geldart) | Movie |
| Sick Abed | 1920 | Dr. Macklyn (as Clarence Geldart) | Movie |
| Don't Change Your Husband | 1919 | Manager of Gambling Club | Movie |
| Johnny Get Your Gun | 1919 | Director | Movie |
| The Secret Garden | 1919 | Dr. Warren Craven (as Clarence Geldart) | Movie |
| Fires of Faith | 1919 | Railton (as Clarence Geldart) | Movie |
| Captain Kidd, Jr. | 1919 | David Grayson | Movie |
| A Daughter of the Wolf | 1919 | 'Wolf' Ainsworth (as Clarence Geldart) | Movie |
| The Dub | 1919 | Craig's Clerk | Movie |
| Everywoman | 1919 | Auctioneer | Movie |
| It Pays to Advertise | 1919 | House Manager (as Clarence Geldart) | Movie |
| The Lottery Man | 1919 | Business Manager (as Clarence Geldart) | Movie |
| Love Insurance | 1919 | George Harrowby (as Clarence Geldart) | Movie |
| Maggie Pepper | 1919 | Detective (as Clarence Geldart) | Movie |
| The Poor Boob | 1919 | Mr. Swanson (as Clarence Geldart) | Movie |
| Putting It Over | 1919 | Mr. Hard (as C.H. Geldert) | Movie |
| The Roaring Road | 1919 | Fred Wheeler | Movie |
| Venus in the East | 1919 | Jass | Movie |
| The Woman Next Door | 1919 | Detective Fleming Stone (as Clarence Geldart) | Movie |
| Too Much Johnson | 1919 | Joseph Johnson (as Charles H. Geldert) | Movie |
| The Squaw Man | 1918 | Solicitor | Movie |
| The Way of a Man with a Maid | 1918 | Hallet (as Clarence H. Geldart) | Movie |
| Believe Me, Xantippe | 1918 | Williams | Movie |
| The Bravest Way | 1918 | The Minister | Movie |
| The Firefly of France | 1918 | Aide to Von Blenheim (as Clarence Geldert) | Movie |
| The Goat | 1918 | Casting Director (as Clarence Geldart) | Movie |
| The Gypsy Trail | 1918 | Frank Raymond (as C.H. Geldart) | Movie |
| The Hidden Pearls | 1918 | Captain A. Todd | Movie |
| Sandy | 1918 | Dr. Fenton | Movie |
| The Spirit of '17 | 1918 | Adjutant Blidden | Movie |
| Till I Come Back to You | 1918 | U.S. Colonel (as Clarence Geldart) | Movie |
| The Little American | 1917 | Submarine Commander U-Boat 21 | Movie |
| The Fair Barbarian | 1917 | Martin Bassett (as C.H. Geldert) | Movie |
| The Golden Fetter | 1917 | Flynn (as C.H. Geldert) | Movie |
| The Hostage | 1917 | Brigadier (as C.H. Geldert) | Movie |
| The Prison Without Walls | 1917 | (as Clarence H. Geldert) | Movie |
| The Squaw Man's Son | 1917 | David Ladd (as C.H. Geldert) | Movie |
| Those Without Sin | 1917 | Richard Landry (as Charles H. Geldert) | Movie |
| Lost and Won | 1917 | One of Margaret's Admirers (as C. H. Geldart) | Movie |
| Intolerance | 1916 | Extra | Movie |
| The Fall of a Nation | 1916 | Gen. Arnold (as C.H. Geldart) | Movie |
| The Yellow Pawn | 1916 | Mr. Turner (as C.H. Geldart) | Movie |
| Jordan Is a Hard Road | 1915 | (as Clarence H. Geldert) | Movie |
